Normative Symbol Digit Modalities Test performance in a community-based sample

Laura K. Sheridan, Hiram E. Fitzgerald, Kenneth M. Adams, Joel Nigg, Michelle M. Martel, Leon I. Puttler, Maria M. Wong, Robert A. Zucker

Research output: Contribution to journalArticle

126 Citations (Scopus)

Abstract

The Symbol Digit Modalities Test [SDMT; Smith, A. (1982). Symbol Digit Modalities Test. Los Angeles: Western Psychological Services; Smith, A. (1968). The symbol-digit modalities test: a neuropsychologic test of learning and other cerebral disorders. In J. Helmuth (Ed.), Learning disorders (pp. 83-91). Seattle: Special Child Publications] is a substitution task that is the inverse of the Digit Symbol Test [Wechsler, D. (1955). Manual for the Wechsler Adult Intelligence Scale (WAIS). New York: The Psychological Corporation]. The familiar task of filling numbers in boxes, and the availability of an oral administration, make this a popular screening instrument for brain impairment. Normative data were previously reported for a variety of clinical groups, but complete information on non-clinical samples across age, education, gender, and socioeconomic status is limited. The present study examines the performance of a community-dwelling control sample across age, education, gender, and income groupings. In a multivariate model, these four variables did not impact test performance. These results support the utilization of the SDMT as a robust screening test for adult neuropsychological impairment.

Original languageEnglish (US)
Pages (from-to)23-28
Number of pages6
JournalArchives of Clinical Neuropsychology
Volume21
Issue number1
DOIs
StatePublished - Jan 2006
Externally publishedYes

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Neuropsychological Tests
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Keywords

  • Cognitive ability
  • Neuropsychological assessment
  • Normative sample

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Clinical Psychology
  • Neuropsychology and Physiological Psychology

Cite this

Sheridan, L. K., Fitzgerald, H. E., Adams, K. M., Nigg, J., Martel, M. M., Puttler, L. I., ... Zucker, R. A. (2006). Normative Symbol Digit Modalities Test performance in a community-based sample. Archives of Clinical Neuropsychology, 21(1), 23-28. https://doi.org/10.1016/j.acn.2005.07.003

Normative Symbol Digit Modalities Test performance in a community-based sample. / Sheridan, Laura K.; Fitzgerald, Hiram E.; Adams, Kenneth M.; Nigg, Joel; Martel, Michelle M.; Puttler, Leon I.; Wong, Maria M.; Zucker, Robert A.

In: Archives of Clinical Neuropsychology, Vol. 21, No. 1, 01.2006, p. 23-28.

Research output: Contribution to journalArticle

Sheridan, LK, Fitzgerald, HE, Adams, KM, Nigg, J, Martel, MM, Puttler, LI, Wong, MM & Zucker, RA 2006, 'Normative Symbol Digit Modalities Test performance in a community-based sample', Archives of Clinical Neuropsychology, vol. 21, no. 1, pp. 23-28. https://doi.org/10.1016/j.acn.2005.07.003
Sheridan, Laura K. ; Fitzgerald, Hiram E. ; Adams, Kenneth M. ; Nigg, Joel ; Martel, Michelle M. ; Puttler, Leon I. ; Wong, Maria M. ; Zucker, Robert A. / Normative Symbol Digit Modalities Test performance in a community-based sample. In: Archives of Clinical Neuropsychology. 2006 ; Vol. 21, No. 1. pp. 23-28.
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